Sample LC83-390

NavDat sample number 61218 · ANDESITE

Sample

Latitude	40.5716
Longitude	-121.447
State / province	California
Volcanic field	Regional Volcanic Rocks, North and West of the Lassen Volcanic Center

Age (Ma)	Error	Min	Max	Geologic age	Dated by
2.65		0	5.3

Item	Value	Unit	Method
SIO2	62.69	WT%	WDXRF
AL2O3	16.69	WT%	WDXRF
FE2O3	1.08	WT%	WDXRF
FEO	3.88	WT%	WDXRF
FEOT	4.85	WT%	WDXRF
MGO	3.4	WT%	WDXRF
CAO	5.97	WT%	WDXRF
NA2O	3.32	WT%	WDXRF
K2O	2.13	WT%	WDXRF
TIO2	0.56	WT%	WDXRF
P2O5	0.19	WT%	WDXRF
MNO	0.09	WT%	WDXRF
LOI	0.97	WT%	LOI
TOTAL	98.69	WT%	WDXRF
MG_NUMBER	60.9		WDXRF
RB	51	PPM	EDXRF
SR	410	PPM	EDXRF
BA	714	PPM	EDXRF
Y	21	PPM	EDXRF
ZR	155	PPM	EDXRF
NB	5	PPM	EDXRF